NES Game & System is a collection of PHP scripts
to build a powerful set of reusable PHP classes that
are used for the NES game, but applicable to any
Web game. The system allows for easy plugging in
of additional games.

Civil is a cross-platform, turnbased, networked strategy game that
allows players to take part in scenarios set during the American Civil
war. It simulates battles on a company level (a company is roughly 100
men).

civreplay reads a series of freeciv saved game files, generates a
world map, and animates it, showing the rise and fall of the various
civilizations in the game. Several options are customizable, from the
size of the map to the size of each city's "influence" on the map.

Solar Empire is a browser-based strategy game
(BBS). Users control fleets, planets, and
equipment to conquer the galaxy. Almost limitless
variation is given by advanced customization
options. Master the arts of colonization and
exploration while playing a noble but precarious
game of warfare to ensure survival.

phpRPG is a multiplayer fantasy role-playing game driven by PHP and MySQL, with aims to develop a Web-based game engine which shares common qualities between multiple user dungeons (MUDs), paper & pen RPGs, and computer RPGs.